... The results are used in quasireal time by the observing process, but also as input by hardware quality control, by the dynamical scheduler, and by the Science Pipeline. Among processing operations are the calibration of the atmospheric absorption, of phase radiometric correction, of pointing scans, of phase and amplitude reference measurements, .. ... Using the last few measurements, we will determine a provisional amplitude calibration curve (to be also used by the Quick Look pipeline). ...

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... NICS will be the only infrared instrument for the first light of the TNG; as a consequence, we decided to incorporate a sufficient degree of operation flexibility by providing the instrument with six different observing modes, three aimed at imaging and three at spectroscopy: . ... It will be possible to use the narrow band filters as order sorters; this will allow to perform high resolution long-slit spectroscopy in the wavelength ranges covered by the available narrow band filters. ...

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SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

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... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

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• ASP: Guest Observer
• ASP: Observing
• ASP: Low-Level Observing

... The GHRS has the usual components of an astronomical spectrograph: entrance apertures, a collimator, dispersers, camera mirrors, and detectors. ... The collimator and camera mirrors are unexceptional and need no further description here (see ``The HST Focal Plane and the GHRS Apertures'' on page 73 for details). ... The first two first-order gratings, G140L and G140M, have their spectra imaged by mirror Cam-A onto detector D1, which is optimized for the shortest wavelengths. ...

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• Projects and Papers
• Observing Program Email Folders
• COS Spectroscopic Observing Strategies

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Information & tools for observers . ... Infrared and Sub-millimetre Observing Conditions on the Antarctic Plateau . ... The Antarctic plateau provides the best terrestrial sites for infrared and sub-millimetre astronomy. ... Finding a location where aerosol levels are minimised is a key constraint in determining the optimum site on the Antarctic plateau for an infrared observatory. ...

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• ATCA_Report
• Pulsar group | Observing / Tcs
• PmWiki | Observing / Tcs

... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...

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• Contingency Plans

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... Science . ... Science Users Information > Observing Facilities . ... La Silla Paranal Observatory . ... Paranal Telescopes . ... Observing with ESO Telescopes . ... Today, ESO operates the La Silla Paranal Observatory , providing some of the world's largest and most advanced observational facilities at three sites in Northern Chile: La Silla, Paranal and Chajnantor. ... ESO operates three major telescopes (3.6m telescope, New Technology Telescope (NTT), 2.2m Max-Planck-ESO telescope) at La Silla. ...

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• ESO - La Silla Science Operations
• ESO - Paranal Science Operations: End of Missions Report
• ESO - E-ELT Site

... New Mexico State University is seeking a technical and computer-oriented person as a Support Astronomer for nighttime astronomical observing at Apache Point Observatory (APO) with the Astrophysical Research Consortium (ARC) 3.5m Telescope. б  . ... Paper/email documents will not be accepted. ... TELESCOPE OPERATIONS SPECIALIST . ... Responsibilities include nightly operation of the 3.5m telescope and instruments, Quality monitoring the data streams and system performance and observing efficiency. ...

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• ARC 3.5m | Closure Conditions
• Astrophysical Research Consortium Small Aperture Telescope
• APO Home Page

... We will consider the rms, (K), for observations with a receiver of system temperature, T , frequency resolution, per polarization, and total integration time per observing cycle, . ... For ``in-band'' frequency switching, the line under investigation is always in the observing band. ... Position Switching or ``Out-of-Band'' Frequency Switching: Here the line is only observed for one half of the time, with noise being present all of the time. ...

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• The Arecibo User Manual for Astronomers
• Calibration Scans
• Calibration Scans on Continuum Sources

... Observing . ... Home Gallery Observing Events . ... AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... The AAA will host public events in and around New York City to observe astronomical phenomena. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• Observing ? Amateur Astronomers Association of New York
• Lecture Series 2011-2012 ? тАЬThe Astronomical Future of HumankindтАЭ ? Alex
• Lecture Series 2011-2012 ? тАЬThe Mystery of Beta Lyrae: Astronomical

... Recent Topics . ... MAO main . ... Fw: ASTRONET: Task 5.4 - observing schools . ... Subject: Re: ASTRONET: Task 5.4 - observing schools . ... with the organization and carrying out observing schools. ... second half of September, and which will be funded by the training and . ... intended for master and starting PhD students. ... actions on observing schools, providing access for students, Master . ... observing schools for master students. ... in form of observing schools for pre-PhD students. ...

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... The choice of the spectrograph design (Fig.2) is determined by the quantity R, the overall dimensions of the PF cage and the restrictions on the rigidity of the structure of the device. ... As the camera's objective a fast 4-lens aplanat is used having a focal distance F cam =140 mm and a relative aperture of 1:1.8, the resolution at the centre is no less than 80 gr/mm, that over the field at a distance of 3 mm from the edge along the frame ( ) diagonal is 35 gr/mm. ...

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The Richland Astronomical Society is a nonprofit organization formed in 1960 to promote the advancement of amateur astronomy. ... Mike Romine - President/Board Member . ... Bob Kocar - Treasurer/Board Member/Grant Coordinator . ... Eric Heintz - Assistant Observatory Director/Board Member . ... Tammy Plotner - President Emeritus/Webmaster (www.wro.org)/Astronomical League ALCor. ... Site content is maintained by Webmaster Tammy Plotner and Assistant Webmaster Greg DeChant All rights reserved. ...

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• The 31" Telescope at Hidden Hollow

... Moore Observatory is a research and advanced teaching facility of the University of Louisville. ... The 24-inch Ritchie Chretien (RC24) telescope is a research instrument used by faculty and graduate students involved in studies of exoplanets, optical properties of the atmosphere, and the development of imaging and spectroscopic technology. ... Kent (CDK20S) are collaboratively operated by the University of Louisville and the University of Southern Queensland for both research and education. ...

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• Student Telescope at Moore Observatory
• Shared Skies Partnership Project

... Bojan Nikolic web pages (r. 329) . ALMA . ... These errors are due to the refractive effects of the Earth?s atmosphere, specifically due to the (tropospheric) water vapour. ... Making use of information on baselines this long will require very accurate calibration and correction of atmospheric phase errors. ... The design of the ALMA phase correction system is summarised in Nikolic et al 2013 . Introduction to phase correction for ALMA . ALMA Goals . ALMA Phase correction strategy . ...

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• Bojan Nikolic -- Memo on inference of phase correction coefficients
• Inference of Coefficients for Use in Phase Correction Bojan Nikolic web pages
• Inference of Coefficients for Use in Phase Correction

... Why are we here? Thur 22 October 2009, Armagh . ... Her talk is entitled "Observing with a 100-metre virtual telescope, the VLTI". It's on WEDNESDAY 21 OCTOBER, at 7.30 p.m., in the Bell Lecture Theatre, Physics Building, Queen's University, Belfast. ... Everyone is welcome; particularly ladies - come along and see what women are doing at the leading edge of astronomical research: astronomy is not just a topic for men! ... International Year of Astronomy, Ireland National Node . ...

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• Armagh Observatory
• Faulkes Telescopes
• Observing times | International Year of Astronomy in Ireland | Astronomy 2009

... Астрономическая неделя с 11 по 17 апреля 2016 года . ... Александр Козловский . ... День открытых дверей на Пущинской РадиоАстрономической Обсерватории 09 апреля 2016 года . ... Полное солнечное затмение 9 марта 2016 года . ... Полное лунное затмение 28 сентября 2015 года . ... Затмение, которое произойдет 28 сентября 2015 года, является повторением через сарос (цикл повторений затмений равный 6585 дней или 18 лет 11 дней) полного лунного затмения от 16 сентября 1997 года с максимальной фазой 1,20.....

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• Journal "Peremennye Zvezdy"
• Tycho Brahe Measures the Sky
• Астронет > Tycho Brahe Measures the Sky

... Liyong Liu (NAOC) . Site testing on seeing conditions of the astronomical observatories over China are briefly reviewed, including Xionglong station of NAOC, Gaomeigu station of Yunnan Observatory, Delingha station of Purple Mountain Observatory. ... PDF [3.0€аMB] October 8, 09:55 10:20 . ... In this paper, we will review the site survey activities in the past years, and present the site-testing results on the Oma site, including cloud cover, seeing, water vapor, transparency and sky brightness. ...

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• Methods and instruments to measure/monitor major site properties
• The site testing programs in Antarctica and in Arctic
• Media files